Microphone



FIG. 1 is a front perspective view of a microphone showing my design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a side view thereof; and,

FIG. 7 is a opposing side view thereof.

The broken lines shown herein are for illustrative purposes only and form no part of the the claimed design. 

The ornamental design for a microphone, as shown and described. 